If Google Earth wasn’t cool enough already, it has now just gone holographic thanks to an input system from LM3LABS and Ubiq’Window.{ad}

Their system allows the content displayed on a computer screen to be projected in 2D into the air where interaction can occur via your hands. What this translates to is Google Earth displaying the Earth in mid-air, which can then be spun and zoomed into just by using your fingertips.

That looks like a very intuitive and simple way of interacting with Google Earth. It even seems to handle zooming with multi-touch just like the iPhone. As this is a 2D projection it should work with just about any software designed for a PC screen. I bet applications such as Google SketchUp and Blender would also be interesting to try and use through this system.